const formatTime = date => { 
  const year = date.getFullYear()
    const month = date.getMonth() + 1  
    const day = date.getDate()  
    const hour = date.getHours()  
    const minute = date.getMinutes()
      const second = date.getSeconds() 
       return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':') 
       }
        const formatDate = date => { 
          const year = date.getFullYear()  
          const month = date.getMonth() + 1 
           const day = date.getDate() 
            return [year, month, day].map(formatNumber).join('-')
             } 
             const formatTime2 = date => { const hour = date.getHours()  
             const minute = date.getMinutes() 
              return [hour, minute].map(formatNumber).join(':') 
              }
               const formatNumber = n => { n = n.toString()  
              return n[1] ? n : '0' + n }
              module.exports = { formatTime: formatTime, formatDate: formatDate, formatTime2: formatTime2 }
